SHERWOOD VALVE COMPRESSED GAS PRODUCTS...Compressed Gas Cylinder Valve Outlet and Inlet Specifi cations ISO 10297 International Standard for Cylinder Valves Design Specifi cations
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Sherwood had its beginnings in Buffalo, NY in 1923. Over the last 90 years, we have earned a reputation for products that not only keep pace with customer requirements, but also anticipate their changing needs. Our expert engineering and product development teams continuously work to improve Sherwood’s core competencies and create new, innovative products to meet the industry’s ever-changing standards and demands.
Today Sherwood Valve has three manufacturing facilities near Pittsburgh, PA and Cleveland, OH.
Manufacturing Quality,
Safety and Reliability
Automated manufacturing processes throughout Sherwood’s operations are set up to eliminate 97% of all touch labor, resulting in consistently higher-quality products. We’ve added many new advanced process controls, including infrared thermal imaging to ensure optimization at every stage in the manufacturing process, and helium leak checking for quality, safety and reliability.
We’re using the latest technology available to lower costs and increase quality. For example, Sherwood’s Industrial Automation Center produces up to 6500 assembled and tested valves per shift. And to help ensure quality for our customers, this equipment features automated self-diagnostic and maintenance procedures that increase manufacturing effi ciency and output.
Sherwood is a totally integrated brass valve manufacturer. We manufacture our own rod and raw forgings at our foundry. These forgings are then machined into the bodies that we use in our valves. Because we manufacture our own brass rod, we can control the alloy components more closely, resulting in a more durable forging.
A History of Quality and Innovation
For nearly a century, Sherwood has been the world’s leading provider of system-critical compressed gas solutions serving blue-chip bulk and specialty gas manufacturers, distributors and storage & delivery system providers (OEMs).
All Sherwood products are designed to meet the highest standards, and only quality materials are used. For example, Sherwood’s specialty gas products for medical and breathing apparatuses are cleaned and assembled in a strictly controlled, clean environment. Careful assembly and detailed inspection of every part ensure top performance and durability. Sherwood is fully certifi ed to the stringent requirements of ISO 9001, which increase manufacturing effi ciency and reliability.
Your Valve PartnerSherwood’s diverse product lines of specialty gas, compressed gas, HVACR, alternative energy, cryogenics, and life-support equipment have enabled us to develop varied and diverse technical expertise. Our engineering team includes experts in product design and development as well as experts inthe quality and compliance testing requirements needed to create custom valves to meet your unique applications.
Sherwood is partnered with a solid network of worldwide industry leaders, distributors, manufacturing representatives and customers supporting continuous improvement. Sherwood is your partner for the best quality valves, delivered on time, at the best possible price!
Medical ValvesKVAB Series, Post Medical Valves .................................................27–29KVMB Series, Post Medical Valves for MRI Environments ....................30GV-MRI Series, Global Valves for MRI Environments ............................31OxyGen I Series, Oxygen Valves with Integrated Pressure Regulators .............................................32–34YVBA Series, Vertical Outlet Oxygen Valves ...................................35–37
Alternative Energy ValvesNGV, NGVHM & NGRPV Series, Global Industrial Gas Valves for Hydrocarbon-Based Flammable Gases .................................... 38-40NBV Series, CNG Ball Valves ...............................................................41PVE3250 Series, Propylene Valves ................................................ 42-43DF Series, Alternative Fuel Valves ................................................. 44-45
Fuse Plugs and Pressure Relief DevicesFuse Plugs .........................................................................................54Pressure Relief Devices ......................................................................55Pressure Relief Devices Technical Information .............................. 56-57Pressure Relief Device Numbering Matrix: Unitized Plug Series ..........58
Product MarkingsProduct Markings Reference ..............................................................59KVAB and KVMB Date Code Tables................................................ 60-61
AppendixDOs and DO NOTs for Valve Use .........................................................62Valve Part Numbering Matrix: Global Valves ........................................63Valve Part Numbering Matrix: DF Series ..............................................64Cylinder Valve Selection ............................................................... 65-73Sherwood Valve, LLC Limited Warranty ...............................................74
Designed for use in every country around the world. For use in cylinders containing oxygen, argon, carbon dioxide, nitrogen, helium and hydrogen, as well as welding gas mixtures.
Key Features & Benefi ts
• Automated assembly and testing processes ensure exceptional quality
• 100% helium leak tested
• Heavy-duty forged brass body for durability and high pressure
• Precisely machined internal components meet the most stringent international valve performance standards
• Pressure Relief Device (PRD) is a unitized plug design that provides excellent fl ow characteristics, ensures proper assembly and tamper resistance
• Metal-to-metal seal below bonnet threads prevents pressure in the threads at top of valve body
• Direct-drive stem design with optimized O-ring (GV) or double O-ring (GVHM) seal reduces friction and operates at exceptionally low torque levels
• Inlet and outlet thread confi gurations are available for a broad spectrum of customer, country and code specifi cations
NOTE: GV & GVHM Series valves are not for use with CNG applications. For CNG Service, see NGV and NGVHM Series on pages 45-47. No mechanical addition of force is to be used with handwheel-style valves without the use of controlled torque.
Standards Conformance
CGA V-9 Standard for Gas Cylinder Valves
CGA S1.1Standard for Pressure
Relief Devices
CGA V-1Compressed Gas Cylinder Valve Outlet
and Inlet Specifi cations
ISO 10297International Standard for Cylinder Valves
Design Specifi cations
ISO 11363-1 25E Inlet Thread Specifi cations
AS2473Australian Standard for Compressed Gas
Cylinder Valves
A-A-59860U.S. General Services Administration
Standards for Gas Cylinder Valves
Design Specifi cations
English Metric
Maximum Working PressureGV: 3500 PSI
GVHM: 6000 PSIGV: 241 Bar
GVHM: 413 Bar
Burst PressureGV: 10,000 PSI
GVHM: 13,500 PSIGV: 689 Bar
GVHM: 931 Bar
Operating Temperature Range -50˚ F → +149˚ F -45˚ C → +65˚ C
Storage Temperature Range -65˚ F → +155˚ F -54˚ C → +68˚ C
Global Industrial Gas ValvesFor further ordering information, refer to the Selection of Pressure Relief Devices on page 62, the Pressure Relief Device Numbering Matrix on page 65, the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
Ordering Information
Sherwood Part Number Gas Service @ 70° F CGA Outlet Outlet Thread Size Inlet Thread Size
Ordering Options (Refer to Ordering Information on previous page for base part numbers.)
Oversize Inlets: 4 and 7 (low-pressure) and 24 (high-pressure only) threads oversize inlets: To order, add -4, -7 or -24 to the end of the Part Number. For example, GV34661-XX becomes GV34661-XX-7.
Chrome plating: To order, add letter “A” after letters GV or GVHM in the Part Number. For example, GV34661-XX becomes GVA34661-XX.Lexan® polycarbonate handwheels: To order, add suffi x LX to the end of the Part Number. For example. GV34661-XX becomes GV34661-XXLX.Fusible backed Pressure Relief Devices in 165° F or 212° F nominal melting temperatures:
NOTE: For CNG service valves, see NGV & NGVHM Series on pages 45–47.
Parts Breakdown for GV or GVHM Series
Industrial and Chrome-Plated Valves
A. Handwheel Nut 1251-6
B. Handwheel 1919A
C. Bonnet and Stem Assembly Includes: Bonnet, Back-Up O-Ring*, O-Ring*, Thrust Washer, Stem
1400-30-XXX (GV)1400-32GVH-XXX (GVHM)**
D. Lower Plug and Seat Assembly Includes: Lower Plug and Seat
1400-40 (Standard)1400-40A (CO2 /Manifold)
E. Pressure Relief Device Unitized Assembly Includes: Plug, Rupture Disc and Webbed Seal Washer
P625-19X9-XX (GV)P625-19X9H-XX (GVHM)
* GVHM has two O-rings.** For XXX options, see kits below.
A
B
D
E
C
GV Key Replacement Parts
Sherwood Part Number Description
GV Kits, Brass
1400-30-101KITEach kit includes 25 Bonnet
and Stem Assemblies, Christo-LubeGV Kits, Plated
1-1400-30-101KITEach kit includes 25 Bonnet
and Stem Assemblies, Christo-Lube
GVHM Key Replacement Parts
Sherwood Part Number Description
GVHM Kits, Brass
1400-32GVH-100KITEach kit includes 25 Bonnet
and Stem Assemblies, Turmoxygen
1400-32-GVH-101KITEach kit includes 25 Bonnet
and Stem Assemblies, Christo-LubeGVHM Kits, Plated
1-1400-32GVH-100KITEach kit includes 25 Bonnet
and Stem Assemblies, Turmoxygen
1-1400-32-GVH-101KITEach kit includes 25 Bonnet
and Stem Assemblies, Christo-Lube
For further ordering information, refer to the Selection of Pressure Relief Devices on page 62, the Pressure Relief Device Numbering Matrix on page 65, the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
For further ordering information, refer to the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
For Product Markings Reference, see A on page 66.
Ordering Information
Sherwood Part Number CGA Outlet Outlet Thread Size Inlet Thread Size Description
GV O-Ring-Style Manifold ValvesGV32040 320 .825"–14 NGO 1⁄2"–NGT No PRDGV32060 320 .825"–14 NGO 3⁄4"–NGT No PRDGV35040 350 .825"–14 NGO 1⁄2"–NGT No PRDGV35060 350 .825"–14 NGO 3⁄4"–NGT No PRDGV54040 540 .903"–14 NGO 1⁄2"–NGT No PRDGV54060 540 .903"–14 NGO 3⁄4"–NGT No PRDGV58040 580 .965"–14 NGO 1⁄2"–NGT No PRDGV58060 580 .965"–14 NGO 3⁄4"–NGT No PRDGVHM68060 680 1.045"–14 NGO 3⁄4"–NGT No PRDGV O-Ring-Style Cylinder Valves, Tapered Thread for Fuel Gas and OxygenGV02240 022 .5625"–18 UNF 1⁄2"–NGT No PRDGV02240CC 022 .5625"–18 UNF 1⁄2"–NGT No PRD; Cap and ChainGV02340 023 .5625"–18 UNF 1⁄2"–NGT No PRDGV02340CC 023 .5625"–18 UNF 1⁄2"–NGT No PRD; Cap and ChainGV02440 024 .875"–14 UNF 1⁄2"–NGT No PRDGV02440CC 024 .875"–14 UNF 1⁄2"–NGT No PRD; Cap and ChainGV02540 025 .875"–14 UNF 1⁄2"–NGT No PRDGV02540CC 025 .875"–14 UNF 1⁄2"–NGT No PRD; Cap and Chain
Residual pressure valve designed to protect cylinder and contents.
Key Features & Benefi ts
• Prevents backfl ow of impurities and foreign substances
• Automated assembly and testing processes ensure exceptional quality
• 100% helium leak tested
• Durable forged brass body, precisely machined internal components and design elements meet the most stringent international valve performance standards
• Innovative design and quality construction offer protection of cylinder contents without the expense of a time-consuming purge-and-clean cycle
• Retains approximately 30 to 50 PSI pressure, maintaining the integrity of the cylinder contents against contaminants, even if the valve is left open
• Protects and extends life of cylinder by preventing ingress of moisture
ISO 15996 International Standard for Residual Pressure
Valves Design Specifi cations
AS2473 Australian Standard for Compressed Gas
Cylinder Valves
A-A-59860U.S. General Services Administration Standards
for Gas Cylinder Valves
Lubricants
Christo-Lube Used in Valves for All
Industrial Gas Applications
Turmoxygen Used in Valves for Oxygen Service
Inlet O-Ring for Straight Threaded GRPV Series Residual
Pressure Valves
Sherwood Part Number Size Material
G216A 1.125 UNF Buna-N
For further ordering information, refer to the Selection of Pressure Relief Devices on page 62, the Pressure Relief Device Numbering Matrix on page 65, the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
For further ordering information, refer to the Selection of Pressure Relief Devices on page 62, the Pressure Relief Device Numbering Matrix on page 65, the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
Ordering Information
Sherwood Part Number Gas Service @ 70˚ F CGA Outlet Outlet Thread Size Inlet Thread Size
To order 4, 7 or 24 threads oversize inlets, add -4, -7 or -24 to the end of the Part Number (e.g. GRPV58061-XX becomes GRPV58061-XX-7).To order chrome plating, add letter “A” after letters GV in the Part Number (e.g. GRPV58061-XX becomes GRPVA58061-XX).To order fusible backed Pressure Relief devices in 165˚ F or 212˚ F nominal melting temperatures, change 1 in the Part Number to 4 (165˚ F) or to 5 (212˚ F) (e.g. GRPV35061-XX becomes GRPV35064-XX for 165˚ F, or GRPV35065-XX for 212˚ F).NOTE: GRPV valves are not approved for CNG service. For CNG Service, see NGRPV Series on pages 45–47. Not all valves are available in all confi gurations. Contact factory for availability. Orders may be subject to minimum quantities.
For further ordering information, refer to the Selection of Pressure Relief Devices on page 62, the Pressure Relief Device Numbering Matrix on page 65, the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
Parts Breakdown for GRPV Series
Residual Pressure Valves
A. Handwheel Nut 1251-6
B. Handwheel 1919A
C. Bonnet and Stem Assembly Includes: Bonnet, Back-Up O-Ring, O-Ring, Thrust Washer and Stem
1400-30-100 (Oxygen)1400-30-101 (All Others)
D. Lower Plug and Seat Assembly Includes: Lower Plug and Seat
1400-40 (Standard)1400-40A (CO2 /Manifold)
E. Pressure Relief Device Includes: Plug, Rupture Disc and Webbed Seal Washer
P625-19X-XX
F. Includes RPV Assembly, Plug, O-Rings, Spring and Piston
Gas cylinders can be checked for content integrity by simply inserting the Checking Rod and pushing against the resistance of the check valve. The sound of escaping gas indicates residual cylinder pressure.
Retractable Pin Adapters provide maximum operating fl exibility to fi ll or evacuate a cylinder with either a conventional valve or a GRPV. Engage the Pin Locking Tool (see below) and rotate the tool clockwise to depress the pin for use with a conventional valve. Or rotate the tool counterclockwise to release the pin for use with a GRPV valve. The adapters incorporate an O-ring seal for a hand-tight connection.
*Adapters can be used with TV RPV also. Fixed Pin Adapters are for use on manifolds dedicated to fi lling cylinders with Sherwood GRPV valves.
*Adapters can be used with TV RPV also.
Understanding Fill Adapter Part Numbers
TLG Tool for Global Valve
L Retractable Pin
S Stainless Steel
W Washer or O-Ring Seal
D Matching CGA Outlet and Inlet
TLG580, TLG580SLW Rebuild Kit
Sherwood Part Number Description
TL580A-30-R Each kit includes 25 Plunger & Pin Assemblies
TL580SP Nose Bushing Torque Spanner sold separately
Designed for use in larger capacity lightweight 4500 PSI cylinders, the BV Series features an integral regulator that reduces gas pressure on the 3000 PSI max outlet to 700–1000 PSI, enabling fi eld use of a common UL® Rated 3000 PSI regulator.
Key Features & Benefi ts
• Unique dual outlet design enables use of lower or higher cylinder Working Pressure from the same valve/cylinder package
• Provides quick fi ll capability — no special fi lling or withdrawal adapters needed
• Strong, durable forged brass body manufactured by Sherwood to specifi cations stricter than most commercial forging specifi cations
• High-temperature aluminum alloy handwheel with large drainage holes
• Integral stainless steel tang helps prevent internal stem breakage
• Durable lower plug made of tough naval brass resists wear
• Lower plug is PTFE coated to add lubricity, which minimizes seizing and galling especially under high-pressure operation
• Internally threaded chamber design promotes longer life and helps protect valve body chamber threads from damage
• Nickel 201 rupture disc resists premature rupture that may be caused by corrosive ambient environments
• Inert PTFE packing provides leak-free stem seal, long cycle life and resistance to corrosion
• Regulator designed for long service life and tested to in excess of 16,000 cycles
• Pressure Relief Device strategically located in regulated pressure outlet prevents cylinder pressure from reaching downstream equipment
• Pressure Relief Device supplied standard for 4500 PSI cylinder with a test pressure of 1.5 times Working Pressure
• Durable forged brass body, precisely machined internal components and design elements meet the most stringent international valve performance standards
• High-temperature aluminum alloy handwheel with large drainage holes
• 100% helium leak tested
• Designed with low-torque operation for easy hand use
• Durable lower plug made of tough naval brass resists wear
• Precise quality machining results in exceptional fi nishes for low-torque sealing
• Metal-to-metal seal below bonnet threads prevents pressure accumulation at top of valve body
• High durometer back-up ring prevents extrusion of O-ring in extreme applications
• Peroxide curing of elastomeric seals enhances valve longevity
• Direct drive stem design with optimized single O-ring seal reduces friction and operates at exceptionally low torque levels
• For more information, refer to GV Design Specifi cations on page 3
Sherwood Part Number Gas Service Safety CGA Outlet Pin Indexing Hole Numbers Inlet Thread Size
KVAB87044F-XX
KVAB87054-XXOxygen CG-4 870 Pins #2 and #5
½"–14 NGT.750–16 UNF-2A
KVAB88044F-XX
KVAB88054-XX
Oxygen and Carbon Dioxide Mixtures
CG-4 880 Pins #2 and #6½"–14 NGT
.750–16 UNF-2A
KVAB89044F-XX
KVAB89054-XX
Oxygen and Helium Mixtures
CG-4 890 Pins #2 and #4½"–14 NGT
.750–16 UNF-2A
KVAB91041-XX
KVAB91051-XXNitrous Oxide CG-1 910 Pins #3 and #5
½"–14 NGT.750–16 UNF-2A
KVAB93044F-XX
KVAB93054-XXHelium CG-4 930 Pins #4 and #6
½"–14 NGT.750–16 UNF-2A
KVAB94041-XX
KVAB94051-XXCarbon Dioxide CG-1 940 Pins #1 and #6
½"–14 NGT.750–16 UNF-2A
KVAB95044F-XX
KVAB95054-XXAir CG-4 950 Pins #1 and #5
½"–14 NGT .750–16 UNF-2A
KVAB96044F-XX
KVAB96054-XXNitrogen CG-4 960 Pins #1 and #4
½"–14 NGT.750–16 UNF-2A
KVAB96541-XX
KVAB96554-XX
Nitrous Oxide and Oxygen Mixtures
CG-1 CG-4
965 Pin #7½"–14 NGT
.750–16 UNF-2A
KVAB97344-XX
KVAB97354-XXMedical Gas Mixtures CG-4 973 Pins #11 and #24
½"–14 NGT.750–16 UNF-2A
OPTIONS
• All valves are supplied with rupture discs rated for 2015 PSI Working Pressure cylinders. Rupture discs rated for other Working Pressures available on request.
• To order 1/8"–27 NPT modifi ed gauge port, add “G” to end of Part Number (e.g. KVAB87054-32G).
• To order rugged diecast aluminum toggle lever, add “TG” to end of Part Number (e.g. KVAB87054-32 becomes KVAB87054-32TG).
• To order PTFE inlet O-ring, add “R” to end of Part Number (e.g. KVAB87054-32 becomes KVAB87054-32R).THIS OPTION ONLY AVAILABLE ON .750–16 UNF-2A INLET VALVES. XX = PRD Safety
KVMB87054-XX Oxygen CG4 870 Pins #2 and #5 .750–16 UNF-2A
OPTIONS
• To order rugged diecast aluminum toggle lever, add “TG” to end of Part Number (e.g. KVMB87054-32R) becomes (KVMB87054-32RTG).
• To order PTFE inlet O-ring, add “R” to end of Part Number (e.g. KVMB87054-32 becomes KVMB87054-32R). THIS OPTION ONLY AVAILABLE ON .750–16 UNF-2A INLET VALVES. XX= PRD Safety
High Capacity Oxygen Valve designed for use in Magnetic Resonance Environments (MRI), specifi cally when installed on high-capacity aluminum cylinders.
Key Features & Benefi ts
• Supports aluminum cylinder capacity to 265 cu. ft. with various straight-threaded inlet sizes to fi t your needs
• Special construction process signifi cantly reduces magnetic attraction
• Tested and meets all known tests for MRI-compatible components used in conjunction with a magnetic resonance imager for Level 3 Tesla requirements
• Clearly identifi ed for hospital settings with ASTM standard F 2503-05 markings
• Cleaned for oxygen service and oil free per CGA G-4.1
• Automated assembly and testing processes ensure exceptional quality
• 100% helium leak tested
• Heavy-duty forged brass body for durability and high pressure
• Precisely machined internal components meet the most stringent international valve performance standards
• Pressure Relief Device (PRD) is a unitized plug design which provides excellent fl ow characteristics, ensures proper assembly and tamper resistance
• Metal-to-metal seal below bonnet threads prevents pressure in the threads at the top of the valve body
• Direct-drive stem design with optimized O-ring (GV) or double O-ring (GVHM) seal reduces friction and operates at exceptionally low torque levels
• Inlet and outlet thread confi gurations are available for a broad spectrum of customer, country and code specifi cations
• Tapped for dip tube as required
• For more information, refer to GV Design Specifi cations on page 3
GV MRI Series
Global Valves for Use in MRI Environments
3TMR
Medical Valves
For Product Markings Reference, see A on page 66.
Ordering Information
Sherwood Part Number Gas Service @ 70˚ F CGA Outlet Thread Size Inlet Thread Size
• Check valve design prevents pressure to the fi ll connection during therapy applications
• Master Shut-Off Valve isolates pressure from both the regulator and hose barb connection
• Protective shroud shields the Master Shut-Off Valve from unintended operation of the handwheel
OxyGen I Series
Oxygen Valves with Integrated Pressure Regulators — Model VC (Master Shut-Off Valve)
VRAM5TVC-32-75-15D
Ordering Information Model VC Version
Sherwood Part Number
DISS
Connection
Flow
Setting
Fill
Connection
Inlet
Connection
OxyGen I Series Model VC Master Shut-Off Valves
VRAM5TVC-32-75-15 — 0–15 LPMCGA 540
Check Valve
3⁄4"–16 UNF-2A Aluminum Cylinder
VRAM5TVC-32-75-15D √ 0–15 LPMCGA 540
Check Valve
3⁄4"–16 UNF-2A Aluminum Cylinder
VRAM4TVC-32-15 — 0–15 LPMCGA 540
Check Valve
1⁄2" NGT Steel Cylinder
VRAM4TVC-32-15D √ 0–15 LPMCGA 540
Check Valve
1⁄2" NGT Steel Cylinder
NOTE: 32 in Part Number = 2015 Working Pressure, 3360 PSI standard Pressure Relief Device (PRD). Use TL2051VC fi ll tool for Master Shut-Off Valve.
2.43" (61.7mm) 2.05" (52.1mm)
2.35
" (1
48.6
mm
)
5.85
" (1
48.6
mm
)
4.19" (106.4mm)
Medical Valves
VC Model
VC Model: Filling process requires a
special 540 connection tool to override
the back check mechanism (Part
Number TL2051VC, shown here)
PLEASE NOTE: These components cannot be sold in Canada due to licensing restrictions. Potential customers outside the US should check licensing restrictions before considering purchase. These are fully approved for US distribution.
Compact and designed for home healthcare use on small medical aluminum and composite cylinders.
Key Features & Benefi ts
• Compact design
• Chamber designed for easy operation
• Aluminum Silicon Bronze stem design for dependable service and long life
• Durable lower plug made of tough naval brass resists wear
• Lower plug is PTFE coated to add lubricity, which minimizes seizing and galling especially under high-pressure operation
• Internal bonnet gasket seal resists damage to chamber sealing area
• Compact molded Lexan® polycarbonate handwheel is easy to operate
• Single unit, compact Pressure Relief Device incorporates 165° F fusible metal backing to resist premature rupture and provide maximum cylinder protection
• Chrome plated for corrosion resistance and cosmetic appeal
• Cleaned for oxygen service and oil free per CGA G-4.1
NGRPV Cap Assembly Torques 15–25 ft.-lbs. 20.3–33.9 N-m
NGV, NGVHM & NGRPV Series
Global Industrial Gas Valves for Hydrocarbon-Based Flammable Gases
Materials of Construction
Sherwood Part Number Part Description Materials of Construction
NGV, NGVHM & NGRPV Series Industrial and Chrome-Plated Valves
N/A BodyBrass C37700; Chrome Plating
When Applicable
1400-2 (NGV and NGRPV)
1400-2A (NGVHM)Bonnet
Brass C36000; Chrome Plating When Applicable
1919A Handwheel Aluminum A380
1251-6 Handwheel Nut Steel Class 8, Zinc Plating
1400-4/1400-4A Lower Plug Brass C48500
1400-13/1400-13A Lower Plug Seat Nylon, Zytel 101
See Chart on Page 62 PRD
Plug: Brass C36000; Chrome Plating When Applicable
Rupture Disc: Nickel Alloy 201; Copper C22000
Webbed Seal Gasket: Copper Dead Soft C11000
1400-3 Stem Brass C36000
G011B-65 O-Ring Buna-N
MS28774-011T Back-up O-Ring PTFE
1251-5 Thrust Washer Delrin® 500 AF
For further ordering information, refer to the Selection of Pressure Relief Devices on page 62, the Pressure Relief Device Numbering Matrix on page 65, the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
Lubricants
Christo-Lube Used in Valves for All Industrial Gas Applications
For further ordering information, refer to the Selection of Pressure Relief Devices on page 62, the Pressure Relief Device Numbering Matrix on page 65, the Product Markings Reference on page 66 and the Valve Part Numbering Matrix on page 70.
Ordering Information
Sherwood Part Number Gas Service @ 70° F CGA Outlet Outlet Thread Size Inlet Thread
• Designed for Type III and Type IV CNG (compressed natural gas) cylinders used in bulk gas cylinder storage stacks, gas vehicle cylinder stacks and fast-fi ll cylinder stacks
• Full-fl ow quarter-turn ball valve for fast fi lling with minimal cylinder neck valve constriction
• Saves commissioning time and reduces joint inspections
• Stem designed so that it cannot be blown out
Ordering Information
Sherwood
Part Number Inlet Outlet Safety
NBV1000 11⁄8"–12 UNF 9⁄1616"–18 UNF2B CG-5
NBV1000A 11⁄8"–12 UNF 9⁄1616"–18 UNF2B No PRD
NBV1001 3⁄4"–14 NGT 9⁄1616"–18 UNF2B No PRD
NBV1002 1⁄2"–14 NGT 9⁄1616"–18 UNF2B No PRD
NBV1003 3⁄8"–14 NGT 9⁄1616"–18 UNF2B No PRD
Design Specifi cations
English Metric
Max. Working Pressure 3675 PSI 253 Bar
Burst Pressure 15,000 PSI 1034 Bar
Operating Temperature Range -20° F → +140° F -29° C → +60° C
Leak Rate 1x10-4 atm cc/sec.
Cv 90˚ Fitting4.99 at 100 PSI
22.48 at 500 PSI4.99 at 7 Bar
22.48 at 34 Bar
Operating Torque 40 in.-lbs. 4.5 N-m
Body Brass, Nickel Plated
Ball Seal Delrin®
O-Rings Buna-N
Bonnet Torque 45–55 ft.-lbs. 61–74.5 N-m
PRD Torque 30–40 ft.-lbs. 40.7–54.2 N-m
Handwheel Nut Torque 30–40 in.-lbs. 2.8–5 N-m
Jam Nut Torque on Fitting 47–57 ft.-lbs. 64.8–77.2 N-m
NBV1000
8.86" (225.0mm)
2.87" (72.9mm)
3.70
" (9
4.0m
m)
4.68
" (1
18.9
mm
)
4.21
" (1
06.9
mm
)
Materials of Construction
Part Description Materials of Construction
Handle 304 Stainless Steel
Nut 304 Stainless Steel
Lock Washer 316 Stainless Steel
Stem 316 Stainless Steel
Bonnet Brass C36000
O-Ring – Bonnet Buna-N
Backup Ring – Stem PTFE
O-Ring – Stem Buna-N
Stem Washers Delrin® AF
Ball Seals Tecaform 13 HPV
Safety (Optional)
Safety Plug Brass C36000
Safety Disc Nickel
Safety Washer C11000 Copper
Safety Fuse Metal 165˚ or 212˚ Eutectic Alloy
Fitting Subassembly
Fitting 316 Stainless Steel
Nut 316 Stainless Steel
Washer 316 Stainless Steel
O-Ring – Fitting Buna-N
Ball 316 Stainless Steel
Body Brass C37000 For Product Markings Reference, see E on page 66.
Designed for Compressed Gas Storage & Cascade Fill Systems meeting the demands of SCUBA & SCBA professionals internationally. The most state-of-the-art and effi cient valve in the industry.
Key Features & Benefi ts
• Strong, durable forged brass body manufactured by Sherwood to specifi cations stricter than most commercial forging specifi cations
• Compact design especially suited for use on compressor or cascade panels
• Chamber specially designed for low-torque operation
• Aluminum Silicon Bronze stem design for dependable service and long life
• Proprietary dual packing chamber design provides dependable seal characteristics, long service life and easy operation
• Durable lower plug made of tough naval brass to resist wear
• Lower plug is PTFE coated to add lubricity, which minimizes seizing and galling especially under high-pressure operation
• Internal protected bonnet gasket seal provides positive, damage-resistant chamber seal
• Compact molded Lexan® polycarbonate handwheel is easy to use
• Safe, dependable and easily rebuilt and maintained
Design Specifi cations
English Metric
Maximum Working Pressure 6000 PSI 414 Bar
Storage Temperature Range -65˚ F → +155˚ F -54˚ C → +68˚ C
Operating Temperature Range -50˚ F → +120˚ F -45˚ C → +49˚ C
High-pressure shut-off valves designed for heavy-duty use on tube trailers, manifold systems and other piping systems. Valves are suitable for use with oxygen, acetylene, nitrogen, argon, helium, hydrogen, carbon dioxide, nitrous oxide and other inert gases.
Key Features & Benefi ts
• Safer — There is less chance of ignition from oxygen compression due to a toroidal seat insert that minimizes the area of fl uoroplastic material subject to oxygen impact forces
• Heat-absorbing metal surfaces encapsulate all but the shut-off surface of the seat insert and serve as a heat sink to reduce the chance of ignition
• Longer life of downstream equipment reduces the forces against regulators and other auxiliary equipment due to the sudden surge of high-pressure gas when the valve is opened quickly
• Controlled fl ow — When the valve is opened quickly, dynamic forces directed against downstream equipment are reduced by a skirt on the lower stem shrouding the raised body seat, and this feature protects auxiliary equipment from sudden surges of high-pressure gas when valve is opened
• Full fl ow is achieved when handle is turned two full turns
• Forged brass body with copper alloy parts — 430C lower stem, C64200 aluminum-silicon-bronze not for acetylene; 430CX lower stem, C36000 free cutting brass for acetylene
• Pressure seal design with handwheel spring applies upward force against upper stem and packing to ensure stem seal even at low gas pressures, and this pressure seal bonnet design assures positive seal
• O-ring moisture seal on upper stem protects against environmental contamination and includes brass washer second seal restricting moisture intrusion, which is useful in cold (freezing) environments
• PCTFE seat insert and PTFE packing has been used successfully for over 30 years in master shut-off valve applications
• Large bar handle for ease of operation
• Pressure ratings — 6000 PSI, non-corrosive gases except oxygen; 5500 PSI at 120˚ F oxygen
• Aluminum silicon bronze lower stem provides extra-long life and durability during operation
• Inert PTFE packing provides leak-free stem seal, long cycle life and resistance to corrosion
1.69" (42.9mm) 1.69" (42.9mm)
3.37
" (8
5.6m
m)
4.43
" (1
12.5
mm
)
6.00" (152.4mm)
Design Specifi cations
English Metric
Maximum Working Pressure 6000 PSI 413 Bar
Maximum Working Pressure,
Oxygen5500 PSI @ 120˚ F 379 Bar @ 49˚ C
Burst Pressure 15,000 PSI 1034 Bar
Leak Rate 1x10-3 atm cc/sec 1x10-3 Bar mL/sec
Operating Temperature -50˚ F → +130˚ F -45˚ C → +54˚ C
* P430CX12-10 (Aluminum Silicon Bronze) is not for use with acetylene or MAPP gases; P430CX1-10A (Brass) is for use with all non-corrosive, non-liquefi ed gases. To order brass washer replacement part, use part number P430CX13-20.
NOTES:A. 6000 PSI @ 70˚ F except 5500 PSI @ 120˚ F for oxygen.B. 6000 PSI valve is cleaned for oxygen service with oxygen pressure not exceeding 5500 PSI @ 120˚ F.
Materials of Construction
Part Description
Materials of
Construction
Body Forged Brass C37700
Packing PTFE
Handwheel Washer High Density Fiber
Packing Nut Brass C36000
Stem Brass C36000
Handle Forged Brass C37000
O-Ring Neoprene
Seat Assembly
Seat HolderAluminum Silicon Bronze
C64200
Seat Holder (430CX1 Series)
Brass C36000
Seat PCTFE
Spring Nut Plated Brass C36000
Spring 302 Stainless Steel
Lubricant Fluorolube
Washer Brass C36000
P430C-32W
Contains one of each component listed below.
P430-13 Handwheel Gasket
P1200-7 Handwheel Nut
P1200-11 Handwheel Spring
P430CX13-20 Washer
P430CX12-21K (ASB) Lower Stem and Seal Insert Assembly
Designed to assure the cleanest, driest refrigerant gas for the most effi cient operation of any HVACR system. Meets the Clean Air Act of 1990 with the highest materials demands by the EPA.
Key Features & Benefi ts
• Replaceable bonnet and stem assembly
• PTFE coated anti-galling stem for ease of operation
• Replaceable color-coded handwheels
• Valves engineered and manufactured for durability and longevity, employing time-proven concepts, processes and methods
• Major component forged and machined from brass alloys controlled to exacting specifi cations of the Copper Development Association, Inc.
Pressure relief devices come standard with a copper disc. For nickel disc option with CG-4 and CG-5, use an “N” in place of the “C” in the part number.
For chrome-plated CG1 PRDs, add “1” before Part Number. For example, P625-19N9H-XX becomes 1-P625-19N9H-XX.
Almost all compressed gas containers are fi tted with pressure relief devices. A pressure relief device is a pressure- and/or temperature-activated device used to prevent the pressure from rising above a predetermined maximum, and thereby prevent rupture of a normally charged cylinder when subjected to a standard fi re test as required by Title 49 of the U.S. Code of Federal Regulations (49CFR 173.34(d)), or equivalent regulations of Transport Canada.
The Compressed Gas Association, in pamphlet CGA S-1.1, has classifi ed pressure relief devices according to type using the letter designation CG followed by a numeral. Each of these types described are in the following subsections (reference CGA S-1.1).
Type CG-1 (Pressure Relief Rupture Disk) A rupture disk (synonymous with the name burst disk within the industry) is a pressure-operated device which affords protection against development of excessive pressure in cylinders. This device is designed to sense excess pressure in a cylinder and will function when the cylinder is of suffi cient magnitude to cause the rupture or bursting of the rupture disk element, thereby venting the contents of the cylinder. The rupturing of the rupture disk element results in a non-reclosing orifi ce.
Rupture disk devices installed on compressed gas cylinders may be either an integral part of the cylinder valve assembly or may be installed on the cylinder as an independent attachment. The materials of construction selected must be compatible with the fl uid in the cylinder as well as the cylinder valve materials with which the rupture disk device comes in contact in order to minimize corrosion.
One of the most common types of rupture disk devices consists of a gasket and a rupture disk and a rupture disk holder. These components are only supplied as factory-assembled devices designed to be replaced as a unit.
The gasket is the part which provides the proper seal to prevent leakage of the cylinder contents past the rupture disk assembly and may be constructed of metallic or nonmetallic materials.
The rupture disk is the operating part of the pressure relief device and, when installed in a proper rupture disk holder, is designed to burst at a predetermined pressure to permit discharge of the cylinder contents. Such disks are usually made of metallic materials and may be of fl at, preformed, reinforced, grooved or scored construction. Nonmetallic materials are also used for specifi c applications.
The rupture disk holder is the part of the pressure relief device which contains the opening, against which the rupture disk mates. The rupture disk holder usually also contains the discharge porting or passages, beyond the operating parts of the device, through which fl uid must pass to reach the atmosphere. In many cases, the discharge holder is provided with radial vent holes through which the fl uid in the cylinder vents to the atmosphere. This radical discharge design provides an anti-recoil feature, which minimizes rocketing of compressed gas cylinders during discharge of the contents through the pressure relief device. Other types of discharge ports may also be provided in rupture disk holders to suit specifi c application requirements.
Most rupture disk devices are designed with holders having either sharp-edged or radius-edged orifi ces to which the rupture disk mates. The sharp-edged orifi ce produces a shear-type actuation mode whereby the disk ruptures in shear, producing a characteristic leaf-type confi guration after functioning.
The radius-edged orifi ce produces a tension-type actuation made whereby the disc stretches over the radius-edge. This thins the center of the disc until it can no longer hold the pressure. This type of rupture produces a characteristic rose petal confi guration after functioning.
Since the actuation modes of each type of holder described above are completely different, it is important that only original manufacturer’s assemblies be used in the replacement of rupture disk devices.
WARNING The pressure relief rupture disk device is a primary
safety component and hence the following precautions should be noted and adhered to:
A. Only trained personnel should be permitted to service pressure relief devices
B. Tightening of the rupture disk assembly to the cylinder valve or to the cylinder itself should be in accordance with the manufacturer’s instructions. Tightening to a torque less than the manufacturer’s recommendations may result in a leaking device or a device that may rupture at a lower pressure than specifi ed. Conversely, over tightening can also result in disk actuation at a lower pressure than specifi ed due to excessive twisting action, which may create wrinkles or distortions in the disk, which may cause premature failure of the disk and inadvertent release of the pressure contents. Either of these premature releases could cause serious injury or death.
WARNING Components of devices designed to rupture in shear
are very similar in appearance to those designed to rupture in tension but are not interchangeable because they have completely different modes of actuation. If components are inadvertently interchanged, i.e. a disk designed to rupture in shear is installed in a rupture disk holder designed to rupture in tension, a serious cylinder failure incident could result that could lead to loss of life due to the signifi cant increase in pressure required to rupture the disk. Conversely if a disk designed to rupture in tension is installed in a rupture disk holder designed to rupture in shear, premature rupture could occur with complete loss of contents due to signifi cant reduction in rupture pressure of the disk. That may lead to fi re, personal injury or death.
Limitations
A rupture disk is a pressure-operated device which affords protection against excessive pressure. It protects against excessive pressure when the properties of the gas, cylinder design, and percentage of charge in the cylinder are such that exposure to excessively high temperatures will cause an increase in internal pressure suffi cient to actuate the rupture disk
before the cylinder loses its integrity and weakens. The rupture disk also protects against excessive pressure due to improper charging practices such as overfi lling.
A rupture disk is a non-reclosing device. Once the disk has ruptured, there is no way to prevent the complete release of the contents of the cylinder.
This device does not provide good protection against pressures caused by exposure to excessively high temperatures when the cylinder is only partially charged. The pressure rise may not be suffi cient to actuate the rupture disk before the cylinder loses its integrity and weakens.
Consideration should be given to environmental conditions to which the cylinder may be exposed. Severely corrosive atmospheres may contribute to premature rupture of the disk. To prevent corrosion of the rupture disk, care must be taken to select materials of construction that do not interact with either the contents of the cylinder or the anticipated environmental conditions.
Type CG-2 and CG-3 (Fusible Plugs)A fusible plug is a thermally operated pressure relief device which affords protection against excessive pressure developed by exposure to excessive heat. Once suffi cient heat melts the fusible alloy, the entire contents of the cylinder will be vented. The CG-2 fusible alloy has a nominal melt temperature of 165˚ F (73.9˚ C); the CG-3 fusible metal has a nominal melt temperature of 212˚ F (100˚ C).
Fusible plugs can be installed on the cylinder as independent devices or fusible alloy can be cast directly into a suitable orifi ce in the cylinder valve body. In some cases, a fusible plug may be installed as a separate device into the cylinder valve body.
WARNING No attempt should be made to repair fusible plug
devices. They are not repairable and attempts to repair will destroy the integrity of the fusible alloy causing leakage of gases that may lead to fi re, personal injury or death.
Limitations:
Since the fusible plus is a thermally operated device, it is designed to function only when the fusible metal melts out. Hence, it does not protect against over pressure from improper charging practices. Suffi cient heat to melt the fusible alloy is necessary for proper functioning of this type of device. Therefore, the location of such devices is an important consideration. Industry practice limits the application of these style fusible plugs to cylinders with 500 psig (3447 kPa) service pressure or less to minimize the possibility of cold fl ow or extrusion of the fusible alloy. A fusible device is a nonreclosing devices and when it functions, it releases the entire contents of the cylinder.
Type CG-4 and CG-5 (Combination Rupture
Disk/Fusible Plug)A combination rupture disk/fusible plug pressure relief device requires both excessive pressure and excessive temperature to cause it to operate. Suffi cient heat is required to fi rst melt out the fusible metal, after which the device will afford the same protection as the CG-1 rupture disk device.
The CG-4 combination device has fusible alloy with a nominal melt temperature of 165˚ F (73.9˚ C). The CG-5 combination device has fusible alloy with a nominal melt temperature of 212˚ F (100˚ C).
In this type of device, the rupture disk portion (CG-1) is directly exposed to the internal cylinder pressure, and so it is directly upstream of the fusible metal. In general, the same components that make up the CG-1 device are used and the vent portion or downstream side of the rupture disk is thus reinforced against rupturing by the fusible alloy, and the fusible alloy is reinforce against extrusion by the rupture disk.
NOTE: The same precautions noted for CG-1 devices should be adhered to for CG-4 and CG-5 device. See previous warnings.
Limitations:
CG-4 and CG-5 combination devices function only in the presence of both excessive heat and excessive pressure, and suffi cient heat must be present fi rst to melt the fusible metal. Therefore, this device does not offer protection against over pressure from improper charging practices.
Type CG-7 (Pressure Relief Valves)A pressure relief valve is a spring-loaded pressure-operated device designed to relieve excessive cylinder pressure, reclose, and reseal to prevent further release of product from the cylinder after excessive pressure is removed and valve resealing pressure has been achieved.
The primary advantage of using the pressure relief valve is that functioning of this type of device may not release all of the contents of the cylinder but is designed to reseal after resealing pressure has been achieved. This characteristic, in fi re conditions, will minimize feeding the fi re in the case of fl ammable or combustible cylinder contents.
Limitations:
Pressure relief valves are designed to maintain the pressure in the cylinder at a limit as determined by the spring force. Therefore, such devices do not protect the cylinder against possible rupture when continued application of external heat or direct fl ame impingement weakens the cylinder wall to the point where its rupture pressure is less than the operating pressure of the relief valve.
If you require assistance in selecting a Pressure Relief or Safety device for a specifi c application, please contact Sherwood Customer Service at 888-508-2583 with the following information: Part number of the valve assembly being repaired, if applicable; Type of gas service in which cylinder will be used; and service or test pressure of the cylinder.
NOTE: Date codes include the last two digits of the year manufactured and two digits to represent the week manufactured. For example, the year is represented as “08” for 2008 or “10” for 2010. For example, the week is represented as “01” for fi rst week of the year manufactured and “10” for tenth week of the year manufactured. In some standards the year comes fi rst, and in some standards the week comes fi rst.
GV, GVHM, MVHM, GV Acetylene,
GVT and NGV Series
XXX XXXXXX YR-WWXXXXXX XXXXXX
Inlet Designation
Outlet Specifi cation
Date Code YY-WW
Regulatory Approval Standards Conformance
NOTE: For European valves, there may be a third line designating Bar pressure rating.
GRPV Series
XXX XXXXXXYRWW XXXXXXXXXXXX XXXX
Inlet Designation
Outlet Specifi cation
Date Code YYWW
Regulatory Approval Standards Conformance
A B
AV Handwheel-Operated
Series
YY-WWXXX XXXXXXXXXXXXX
Date Code YY-WW
Inlet Designation
Outlet Specifi cation
Standards Conformance
C 5983L, 1206A and 1031 Series
XXX XXX
XXX WWYY
Outlet Specifi cation
Inlet Designation Date Code WWYY
D
NBV Series
XXXXXXXXYY-WW
SAE 1 1/8SAE 9/16
Standards Conformance
Date Code YY-WWSAE
11⁄8 – Inlet
SAE 9⁄1616 Outlet
E Date Code Stamping Standard
for BV, AV Wrench-Operated,
YVBA, PVE3250, YVE, DF, YVA,
PVE, PA and RVE Series
First two characters indicated the week of the calendar year the product was manufactured. For example: 01 – fi rst week of calendar year or 10 – tenth week of calendar year. Last two characters indicate the last two digits of the year manufactured.
In 1983, the date code was controlled by Sherwood drawing 3095, rev C. The date code was a simple three-character code representing month and year. Month was the fi rst character, represented by a letter of the alphabet with A being January, B being February, etc. Note that theletter I was used (for September) so the plan ended with L = December.
The fi nal two characters were a numeric representation of the year with 83 = 1983, 84 = 1984, etc.
A = January 83 = 1983 A83 = January, 1983
B = February 84 = 1984 G84 = July, 1984
C = March 85 = 1985
D = April ...
E = May
F = June
G = July
H = August
I = September
J = October
K = November
L = December
1989
Date Code Week Year Examples
In 1989, drawing 3095 was revised to Rev D. It now included the option of a weekly code instead of the monthly code. This option was used on the K valves.
01 was used to indicate the fi rst week of the calendar year, 02 the second week, 03 the third week, etc.
01 = 1st week 89 = 1989 01-89 = 1st week of 1989
02 = 2nd week 90 = 1990 13-89 = 13th week of 1989
03 = 3rd week 91 = 1991 ...
04 = 4th week
05 = 5th week
06 = 6th week
07 = 7th week
08 = 8th week
09 = 9th week
10 = 10th week
11 = 11th week
...
52 = 52nd week
Note that the dash may be replaced by a blank space.
1997
Date Code Week Year
Sherwood
Facility Examples
In 1997, the controlling drawing was changed to STD724, Rev A. This retained the week + year format but added a single character to represent the plant where the valve was manufactured. The dash or blank space between year and week was also deleted.
01 = 1st week 99 = 1999 L = Lockport, NY
1099L = 10th of 1999, manufactured at the Sherwood facility in Lockport, NY
02 = 2nd week 00 = 2000 W = Washington, PA
0200W = 2nd week of 2000, manufactured at the Sherwood facility in Washington, PA
03 = 3rd week 01 = 2001 Blank = Niagara Falls, NY
5101 = 51st week of 2001; the lack of a plant location character at the end means that the valve was manufactured at the Sherwood facility in Niagara Falls, NY
04 = 4th week
05 = 5th week
06 = 6th week
07 = 7th week
08 = 8th week
09 = 9th week
10 = 10th week
11 = 11th week
...
52 = 52nd week
1990
Date Code
In 1990, drawing 3095 was revised to Rev E. This removed the month + year option from the drawing (was still in use for some non-K valves) and left only the week + year format. It also added an optional L “in the vicinity of the date code” to show that the valve was manufactured at the Sherwood facility in Lockport, NY. The dash (or space) between month and year was retained.
In 2002, the controlling drawing was changed to STD724B. This changed the date code to include the shift, the day number of the year and the year.
For the fi rst character, 1 = fi rst shift, 2 = second shift and 3 = third shift.The second character is a letter to represent the year. A = 2002, B = 2003, C = 2004. The letter I is not used (because of its similarity to the numeral 1), so H = 2009 and J = 2010. The character O is also not used (similarity to 0), so N = 2014 and P = 2015.
The fi nal three characters represent the day of the year. 001 = January 1, 032 = February 1 and 365 = December 31.
1 = 1st shift A = 2002 001 = January 1 1A001 = 1st shift, 2002, January 1
2 = 2nd shift B = 2003 002 = January 2 2B181 = 2nd shift, 2003, June 30
3 = 3rd shift C = 2004 003 = January 3 3C213 = 3rd shift, 2004, July 31
DOsProper care of compressed gas cylinder valves includes (but is not limited to) the following:
• Stored valves shall be packaged so cleanliness is maintained and adequate protection against damage during handling is provided.
• Valves should be visually inspected at each refi ll for any signs of damage or leakage.
• Question the supplier when a valve malfunctions and the problem cannot be diagnosed.
• Inspect PRDs per CGA S-1.1 before each refi lling.
• Verify that a particular valve is suitable for both the cylinder and the commodity with which it is intended to be used.
• Open the valve slowly to prevent development of high pressure surges and heat generation on downstream equipment.
• When replacing PRDs, only original manufacturers’ assemblies and parts shall be used unless the interchange of parts is proven by suitable test.
• When replacing PRDS, refer to the marking on the device to ensure the proper rated device is installed.
• When the cylinder is not in use, even when empty, the valve should be in the closed position with the outlet cap in place and the transport cap installed.
• Check the condition of both the inlet and outlet threads before inserting a valve into a cylinder to ensure that the threads are not damaged, especially the fi rst thread. A damaged fi rst inlet thread could adversely affect insertion. If the damage cannot be repaired by manually deburring with a fi le, replace the valve.
• Handle valves carefully to avoid damage, especially to threads, which could prevent proper connection to mating parts.
• Replace the valve or PRD whenever any of its required markings are no longer legible.
• Valves that are shipped not fully assembled or with unattached components shall be protected from contamination.
• Only lubricants specially prepared for oxygen service shall be used on tapered threaded inlet connections.
NOTE: Not all PTFE tapes are suitable for oxygen service. Only PTFE tapes suitable for oxygen service shall be used.
DOs and DO NOTs for Valve UseSource: Compressed Gas Association, Inc. CGA V-9, 2012, p. 39
DO NOTsThis list is not intended to be comprehensive. The user is cautioned to review maintenance activity with the valve supplier before beginning work if there is any uncertainty on the part of the user.
Proper care of compressed gas valves includes the following:
• Do not use a damaged valve where function or integrity might have been affected.
• Do not continue to use a valve that operates abnormally, such as it becoming noisy or progressively harder to operate.
• Do not try to recondition a valve until the design and operations of the valve are fully understood and the proper tools are available.
• Do not reuse a valve having a tapered inlet thread with less than four full threads showing after it is installed into the cylinder hand-tight.
• Do not use an automatic operator, adapter, wrench or other tool to obtain a greater mechanical advantage on handwheel-operated valves without fi rst consulting with the valve manufacturer to ensure that the applied torque does not exceed the safe operating torque for the valve.
• Do not use the number of exposed valve threads to determine whether a valve is adequately engaged and leak tight in a cylinder. (See CGA V-11, General Guidelines for the Installation of Valves into High Pressure Aluminum Cylinders, for valve installed in aluminum cylinders.) Even with a new valve in a new steel cylinder, both with nominal ¾"–14 NGT threads, the number of exposed full threads after three wrenched turns can vary between two and fi ve.
• Do not lubricate valve internal surfaces with the pressure boundary without fi rst checking with the valve manufacturer.
• Do not lubricate oxygen service valve threads (to cylinder threads) for installation in straight-threaded aluminum.
• Do not use poor fi tting jaws on valving machines because they could cause:
– Excessive bending and torsional forces into the valve
– Rounding off of valve wrench fl at corners with obliteration of valve identifi cation markings, or
– Interference of jaws with valve outlet, PRD, etc., resulting in damage and leaks
• Do not attempt to adjust spring-loaded (CG-7) PRDs because they are not adjustable once set at the factory. Adjustments result in damage to the PRD as well as the valve itself.
• Do not lift, drag or move a cylinder using the valve handwheel as a handle. It is not designed for this purpose and doing so can cause the valve to open.
• Do not use adapters to adapt the CGA valve outlet connection to another CGA valve outlet connection unless adapters satisfy the conditions for their use specifi ed in CGA V-1.
• Do not put a reconditioned valve into service unless it has been tested to this standard.
• Do not use internal operating replacement parts unless they were supplied by the valve manufacturer.
Use the Sherwood Cylinder Valve Series Abbreviation Chart on this page with the Sherwood Cylinder Valve Selection Charts found on pages 73–80. The Sherwood Cylinder Valve Selection Chart are for reference only and list:
• The most commonly used gases
• The Compressed Gas Association primary outlet to be used with each gas
• The Sherwood valves designated for use with this gas
• The Pressure Relief Device styles that are authorized by the DOT for use with these gases
PLEASE NOTE: The Sherwood Cylinder Valve Selection Charts are partial lists extracted from the CGA V-1 and S-1.1 pamphlets. They can change without notice as the CGA V-1 and S-1.1 pamphlets are amended. Sherwood will issue periodic changes to the catalog. If there is any discrepancy or question between these lists and the CGA V-1 and S-1.1 pamphlets, the CGA V-1 and S-1.1 pamphlets take precedence.
Sherwood Cylinder Valve Series Abbreviation Chart
Abbreviation Sherwood Valve Series
AVB Small Cylinder Acetylene Wrench-Operated Valves
AVBHW Small Cylinder Acetylene Handwheel-Operated Valves
AVMC Small Cylinder Acetylene Wrench-Operated Valves
AVMCHW Small Cylinder Acetylene Handwheel-Operated Valves
AVWB Small Cylinder Acetylene Wrench-Operated Valves — WB Style
BV Hi/Lo Valves with Built-in Regulator
DF* Alternative Energy Valves
GRPV Residual Pressure Valves
GV Large Cylinder Acetylene Valves
GVT** Vertical Outlet Acetylene Valves
KVAB Post Medical Valves
KVMB Post Medical Valves
NGV Industrial and Chrome-Plated Valves
YVB† Vertical Outlet Oxygen Valves
* DF Valves can be used with all gases; however, the outlet will always be 1⁄4"–18 NPT female.** Acetylene use only.† Oxygen use only.
PLEASE NOTE: Standard valves with oxygen outlet connections have been cleaned for oxygen service. These valves are routed through the specialized manufacturing process at Sherwood Valve following written standards and protocols. This process includes the cleaning of components and the tight control of assembly operations avoiding contamination. These valves are cleaned as part of our standard operating procedure and have been validated to meet the oxygen cleaning requirements as specifi ed in the Compressed Gas Association CGA G-4.1.
* Acetylene is the only gas in this table that is not specifi ed by gas pressure; it is specifi ed by volumeteric units.** DF Valves can be used with all gases; however, the outlet will always be 1⁄4"–27 NPT female.
Sherwood Cylinder Valve Selection Chart
Gas Name PSI (KPa)
FTSC Code
(see p. 80)
CGA
Outlet
Sherwood Valve Series (see Abbreviation Chart on p. 72)
Medical ➁➁ Gas Mixtures ➁➂➁➂ for Pressures up to 3000 (20,680)
Nitric Oxide Mixtures and Nitrogen Dioxide Mixtures Threaded 625 ProhibitedNitrous Oxide and Oxygen (N2 47.5 to 52.5%) Threaded 280 • CG-1, -4 Yoke 965 • CG-1, -4Nitrogen and Oxygen (O2 over 23.5%) Threaded 280 • CG-1, -4 Yoke 890 • CG-1, -4Oxidizing Mixtures Threaded 296 • CG-1, -4 Yoke 977 • CG-1, -4Xenon and Oxygen (O2 over 20%) Threaded 280 • CG-1, -4 Yoke 890 • CG-1, -4
** DF Valves can be used with all gases; however, the outlet will always be 1⁄4"–27 NPT female.➀ Nominal mixture concentration; normal mixture tolerances are allowable.➁ Gas mixtures labeled as drugs or medical devices and not having another connection assignment.➂ For specifi c gas assignments, see the reference connection number in CGA pamphlet V-1-1994.
Types of Pressure Relief Devices
Type Description
CG-1 Rupture Disc
CG-2 165° F (73.9° C) Fusible Plug for Cylinder Product Not Exceeding 500 PSI (3450 KPa)
CG-3 212° F (100° C) Fusible Plug for Cylinder Product Not Exceeding 500 PSI (3450 KPa)
CG-4 Rupture Disc with 165° F (73.9° C) Fusible Alloy Backing
CG-5 Rupture Disc with 212° F (100° C) Fusible Alloy Backing
CG-7 Pressure Relief Valve
CG-8 Rupture Disc Followed by (in series) a Pressure Relief Valve
CG-9 217° F (102.7° C) Fusible Plug for Cylinder Marked Working Pressure Not Exceeding 6000 PSI (41,400 KPa)
Prohibited Prohibited from Using a Pressure Relief Device for This Gas by 49CFR100-199
N.R. None Required
N.R. CG- None Required, but if a Pressure Relief Device Is to Be Used, the CG-_ Style Is to Be Selected
Cylinder Valve Selection
Medical Gas Mixtures & Pressure Relief Devices
Sherwood Cylinder Valve Selection Chart
Gas Name PSI (KPa)
FTSC Code
(see p. 80)
CGA
Outlet
Sherwood Valve Series (see Abbreviation Chart on p. 72)
2 Flammable: In Air at 68° F (20° C) and 1 Atmosphere (14.5 PSI)
3 Pyrophoric
4 Highly Oxidizing
5 May Decompose or Polymerize and Is Flammable
Second Digit Toxicity
0 Life Supporting (oxygen > 19.5° F in simple asphyxiant)
1 LC50 > 5000 ppm
2 LC50 > 200 ppm and < 5000 ppm
3 LC50 > 200 ppm
Third Digit State of Gas (in cylinder at 68˚ F [20˚ C])*
0 Non-Cryogenic Liquefi ed Gas (less than 500 PSI) (3450 KPa) ** (gas withdrawal)
1 Non-Cryogenic Liquefi ed Gas (less than 500 PSI) (3450 KPa) (gas withdrawal)
2 Liquefi ed Gas (liquid withdrawal)***
3 Dissolved Gas
4 Non-Liquefi ed Gas or Cryogenic Gas Withdrawal (less than 500 PSI) (3450 KPa)
5 Europe Only
6 Non-Liquefi ed Gas between 500 and 3000 PSI (3450 and 20,680 KPa)
7 Non-Liquefi ed Gas above 3000 PSI and below 10,000 PSI (20,680 and 68,900 KPa)
8 Cryogenic Gas (liquid withdrawal) above -400° F (-240° C)
9 Cryogenic Gas (liquid withdrawal) below -400° F (-240° C)
Fourth Digit Corrosiveness
0 Non-Corrosive
1 Non-Halogen Forming Acid
2 Base Forming
3 Halogen Acid Forming
* The temperature of the refrigerated (cryogenic) liquids is always below 130˚ F (54.4˚ C).** If pressure at 130˚ F (54.4˚ C) is over 600 PSI (4140 KPa), use digit 1.***When a separate outlet for liquid withdrawal is specifi ed.
Seller warrants to you, the fi rst purchaser, that it will repair or replace, at its sole discretion, defects in materials or workmanship that occur and are reported to Seller, within the applicable warranty period, subject to the terms, conditions and exclusions set forth in this document. Your acceptance of delivery of the warranty product constitutes your acceptance of the terms of this limited warranty. This limited warranty gives you specifi c legal rights and you may have other rights which may vary from state to state.
This limited warranty is the sole and exclusive warranty from Seller and there are no
express warranties which extend beyond those outlined in this limited warranty. Under
the laws of certain states, there may be no implied warranties from Seller and ALL IMPLIED
WARRANTIES (INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE) ARE EXCLUDED AND DISCLAIMED WHERE ALLOWED BY
APPLICABLE LAW. ANY IMPLIED WARRANTIES (IF APPLICABLE) ARE LIMITED TO THE SCOPE
AND MINIMUM PERIOD OF TIME ALLOWED UNDER APPLICABLE LAW.
Coverage Under This Limited Warranty: The limited warranty period runs for one (1) year from the date the product was shipped from Seller’s manufacturing plant to the fi rst purchaser. This WARRANTY EXTENDS ONLY TO THE FIRST PURCHASER of the Seller’s product and does not extend to a consumer who purchases Seller’s product from a dealer or otherwise.
THIS LIMITED WARRANTY DOES NOT COVER damage caused by misuse or negligence and does not cover or apply to any product, accessory, part or attachment which is manufactured by someone other than Seller.
THE SOLE AND EXCLUSIVE REMEDY UNDER THIS LIMITED WARRANTY AND ANY APPLICABLE IMPLIED WARRANTY IS THE REPAIR OR REPLACEMENT, AT SELLER’S SOLE OPTION, OF WARRANTED PRODUCTS AS SET FORTH HEREIN. SELLER EXCLUDES AND DISCLAIMS ANY LIABILITY FOR ANY CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES RESULTING FROM THE DELIVERY, USE OR FAILURE OF THE PRODUCT (INCLUDING, WITHOUT LIMITATION, LOSS OF ANY MATERIALS STORED IN PRODUCT; ANY DISRUPTION OF BUSINESS, DISRUPTION OF MANUFACTURING OR OTHER OPERATIONS; LOSS OF REVENUE OR PROFIT OR DAMAGES RESULTING FROM ANY BREACH OF ANY CONTRACT BETWEEN BUYER AND ANY THIRD PARTY), OR FROM ANY OTHER CAUSE WHATSOEVER. Any legal action alleging breach of any applicable warranty coverage must be brought within one (1) year from the date the alleged breach fi rst occurred.
If Buyer believes that any part of Seller’s product is defective, Buyer must give written notice to Seller at the address on the reverse side of this document before the expiration of the initial warranty period, giving details as to date and place of purchase, serial number and alleged defect. Seller will then give written instructions to Buyer regarding the manner in which the defective item is to be repaired or replaced. Buyer may be requested to return the item at Buyer’s expense, but no return should be made until Buyer has received written instructions from Seller. Seller will then perform under this limited warranty within thirty (30) days after the defective item is returned to Seller.
This document contains the entire limited warranty provided by Seller. The Terms and Conditions contained in this limited warranty may not be modifi ed, altered or waived by any action, inaction or representation, whether oral or in writing, except upon the express written authority of a senior management level employee of Seller. Seller does not authorize any person or persons (except a senior management level employee of Seller) to change the terms of this limited warranty. Seller reserves the right to change or improve the design or manufacture of its products without obligation to modify any product previously manufactured.
Sherwood Valve, LLC Limited WarrantyRevised January 2013